selectable_table_view.cpp
3.18 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
#include "selectable_table_view.h"
namespace Calculation {
CalculationSelectableTableView::CalculationSelectableTableView(Responder * parentResponder, TableViewDataSource * dataSource,
SelectableTableViewDataSource * selectionDataSource, SelectableTableViewDelegate * delegate) :
::SelectableTableView(parentResponder, dataSource, selectionDataSource, delegate)
{
setVerticalCellOverlap(0);
setMargins(0);
setShowsIndicators(false);
}
void CalculationSelectableTableView::scrollToCell(int i, int j) {
::SelectableTableView::scrollToCell(i, j);
if (m_contentView.bounds().height() < bounds().height()) {
setTopMargin(bounds().height() - m_contentView.bounds().height());
} else {
setTopMargin(0);
}
ScrollView::layoutSubviews();
if (m_contentView.bounds().height() - contentOffset().y() < bounds().height()) {
KDCoordinate contentOffsetX = contentOffset().x();
KDCoordinate contentOffsetY = dataSource()->cumulatedHeightFromIndex(dataSource()->numberOfRows()) - maxContentHeightDisplayableWithoutScrolling();
setContentOffset(KDPoint(contentOffsetX, contentOffsetY));
}
if (dataSource()->numberOfRows() > j && dataSource()->numberOfColumns() > i && dataSource()->rowHeight(j) > bounds().height()) {
KDCoordinate contentOffsetX = contentOffset().x();
KDCoordinate contentOffsetY = contentOffset().y();
if (contentOffsetY > dataSource()->cumulatedHeightFromIndex(j) && contentOffsetY > dataSource()->cumulatedHeightFromIndex(j+1)) {
// Let's scroll the tableView to align the top of the cell to the top
contentOffsetY = dataSource()->cumulatedHeightFromIndex(j);
} else {
// Let's scroll the tableView to align the bottom of the cell to the bottom
contentOffsetY = dataSource()->cumulatedHeightFromIndex(j+1) - maxContentHeightDisplayableWithoutScrolling();
}
setContentOffset(KDPoint(contentOffsetX, contentOffsetY));
}
}
void CalculationSelectableTableView::scrollToSubviewOfTypeOfCellAtLocation(HistoryViewCell::SubviewType subviewType, int i, int j) {
if (dataSource()->rowHeight(j) <= bounds().height()) {
return;
}
/* As we scroll, the selected calculation does not use the same history view
* cell, thus, we want to deselect the previous used history view cell. */
if (selectedRow() >= 0) {
HighlightCell * previousCell = selectedCell();
previousCell->setHighlighted(false);
}
/* Main part of the scroll */
KDCoordinate contentOffsetX = contentOffset().x();
KDCoordinate contentOffsetY = dataSource()->cumulatedHeightFromIndex(j+1) - maxContentHeightDisplayableWithoutScrolling();
if (subviewType == HistoryViewCell::SubviewType::Input) {
if (j == 0) {
contentOffsetY = 0;
} else {
contentOffsetY = dataSource()->cumulatedHeightFromIndex(j);
}
}
/* For the same reason, we have to rehighlight the new history view cell and
* inform the delegate which history view cell is highlighted even if the
* selected calculation has not changed. */
setContentOffset(KDPoint(contentOffsetX, contentOffsetY));
HighlightCell * cell = cellAtLocation(i, j);
cell->setHighlighted(true);
if (m_delegate) {
m_delegate->tableViewDidChangeSelection(this, selectedColumn(), selectedRow());
}
}
}